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23471371680 = 2535411192651
BaseRepresentation
bin10101110111000000…
…001011010110100000
32020120202112012222020
4111313000023112200
5341032132343210
614441012541440
71460433240021
oct256700132640
966522465866
1023471371680
119a54a82a39
124670621880
1322a092c713
1411c9350c48
159258c0770
hex57700b5a0

23471371680 has 96 divisors (see below), whose sum is σ = 75738172608. Its totient is φ = 6106368000.

The previous prime is 23471371673. The next prime is 23471371739. The reversal of 23471371680 is 8617317432.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576646 + ... + 616005.

It is an arithmetic number, because the mean of its divisors is an integer number (788939298).

Almost surely, 223471371680 is an apocalyptic number.

23471371680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23471371680 is an abundant number, since it is smaller than the sum of its proper divisors (52266800928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23471371680 is a wasteful number, since it uses less digits than its factorization.

23471371680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192710 (or 1192702 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 23471371680 in words is "twenty-three billion, four hundred seventy-one million, three hundred seventy-one thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 48 60 80 82 96 120 123 160 164 205 240 246 328 410 480 492 615 656 820 984 1230 1312 1640 1968 2460 3280 3936 4920 6560 9840 19680 1192651 2385302 3577953 4770604 5963255 7155906 9541208 11926510 14311812 17889765 19082416 23853020 28623624 35779530 38164832 47706040 48898691 57247248 71559060 95412080 97797382 114494496 143118120 146696073 190824160 195594764 244493455 286236240 293392146 391189528 488986910 572472480 586784292 733480365 782379056 977973820 1173568584 1466960730 1564758112 1955947640 2347137168 2933921460 3911895280 4694274336 5867842920 7823790560 11735685840 23471371680